activity
20212026
most citedA Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds

50 citations · 423 across the 23 of their papers we have counts for

collaborators

23 papers

astro-ph.EP2026

The Orbital Eccentricity--Radius Distribution for Warm, Single Planets in TESS

Tyler R. Fairnington, Jiayin Dong, Chelsea X. Huang +40

We characterize the radius-dependent eccentricity distribution of 219 warm (P = 8--50 days) systems with only one transiting planetary candidate identified during Sectors 1-69 of t…

astro-ph.EP2025

The NCORES Program: Precise planetary masses, null results, and insight into the planet mass distribution near the radius gap

David J. Armstrong, Ares Osborn, Remo Burn +39

NCORES was a large observing program on the ESO HARPS spectrograph, dedicated to measuring the masses of Neptune-like and smaller transiting planets discovered by the TESS satellit…

astro-ph.EP2024★ 9 cited

Three Warm Jupiters orbiting TOI-6628, TOI-3837, TOI-5027 and one sub-Saturn orbiting TOI-2328

Marcelo Tala Pinto, Andrés Jordán, Lorena Acuña +35

We report the discovery and characterization of three new transiting giant planets orbiting TOI-6628, TOI-3837 and TOI-5027, and one new warm sub-Saturn orbiting TOI-2328, whose tr…

astro-ph.EP2024

A Fourth Planet in the Kepler-51 System Revealed by Transit Timing Variations

Kento Masuda, Jessica E. Libby-Roberts, John H. Livingston +49

Kepler-51 is a -old Sun-like star hosting three transiting planets with radii - and orbital periods -$130\,\mathrm{day…

astro-ph.EP2024

Wide Binary Orbits are Preferentially Aligned with the Orbits of Small Planets, but Probably Not Hot Jupiters

Sam Christian, Andrew Vanderburg, Juliette Becker +28

Studying the relative orientations of the orbits of exoplanets and wide-orbiting binary companions (semimajor axis greater than 100 AU) can shed light on how planets form and evolv…

astro-ph.EP2024★ 2 cited

The TESS-Keck Survey XXI: 13 New Planets and Homogeneous Properties for 21 Subgiant Systems

Ashley Chontos, Daniel Huber, Samuel K. Grunblatt +67

We present a dedicated transit and radial velocity survey of planets orbiting subgiant stars observed by the TESS Mission. Using nights on Keck/HIRES, we confirm and cha…

astro-ph.EP2024

Migration and Evolution of giant ExoPlanets (MEEP) I: Nine Newly Confirmed Hot Jupiters from the TESS Mission

Jack Schulte, Joseph E. Rodriguez, Allyson Bieryla +72

Hot Jupiters were many of the first exoplanets discovered in the 1990s, but in the decades since their discovery, the mysteries surrounding their origins remain. Here, we present n…

astro-ph.EP2023

Not So Fast Kepler-1513: A Perturbing Planetary Interloper in the Exomoon Corridor

Daniel A. Yahalomi, David Kipping, David Nesvorný +9

Transit Timing Variations (TTVs) can be induced by a range of physical phenomena, including planet-planet interactions, planet-moon interactions, and stellar activity. Recent work…

astro-ph.EP2023★ 8 cited

Dynamical Architectures of S-type Transiting Planets in Binaries I: Target Selection using Hipparcos and Gaia proper motion anomalies

Jingwen Zhang, Lauren M. Weiss, Daniel Huber +16

The effect of stellar multiplicity on planetary architecture and orbital dynamics provides an important context for exoplanet demographics. We present a volume-limited catalog up t…

astro-ph.EP2023★ 20 cited

Transit Timing Variations in the three-planet system: TOI-270

Laurel Kaye, Shreyas Vissapragada, Maximilian N. Gunther +69

We present ground and space-based photometric observations of TOI-270 (L231-32), a system of three transiting planets consisting of one super-Earth and two sub-Neptunes discovered…

astro-ph.EP2022★ 4 cited

TESS discovery of a super-Earth and two sub-Neptunes orbiting the bright, nearby, Sun-like star HD 22946

Luca Cacciapuoti, Laura Inno, Giovanni Covone +51

We report the Transiting Exoplanet Survey Satellite (TESS) discovery of a three-planet system around the bright Sun-like star HD~22946(V=8.3 mag),also known as TIC~100990000, locat…

astro-ph.EP2022★ 28 cited

TESS spots a mini-neptune interior to a hot saturn in the TOI-2000 system

Lizhou Sha, Andrew M. Vanderburg, Chelsea X. Huang +52

Hot jupiters (P < 10 d, M > 60 ) are almost always found alone around their stars, but four out of hundreds known have inner companion planets. These rare compan…

astro-ph.EP2022★ 23 cited

TOI-2196 b: Rare planet in the hot Neptune desert transiting a G-type star

Carina M. Persson, Iskra Y. Georgieva, Davide Gandolfi +52

Highly irradiated planets in the hot Neptune desert are usually either small (R < 2 Rearth) and rocky or they are gas giants with radii of >1 Rjup. Here, we report on the intermedi…

astro-ph.EP2022★ 34 cited

Validation of 13 Hot and Potentially Terrestrial TESS Planets

Steven Giacalone, Courtney D. Dressing, Christina Hedges +108

The James Webb Space Telescope (JWST) will be able to probe the atmospheres and surface properties of hot, terrestrial planets via emission spectroscopy. We identify 18 potentially…

astro-ph.EP2022★ 41 cited

A Possible Alignment Between the Orbits of Planetary Systems and their Visual Binary Companions

Sam Christian, Andrew Vanderburg, Juliette Becker +111

Astronomers do not have a complete picture of the effects of wide-binary companions (semimajor axes greater than 100 AU) on the formation and evolution of exoplanets. We investigat…

astro-ph.EP2022★ 39 cited

TESS Giants Transiting Giants II: The hottest Jupiters orbiting evolved stars

Samuel K. Grunblatt, Nicholas Saunders, Meng Sun +42

Giant planets on short-period orbits are predicted to be inflated and eventually engulfed by their host stars. However, the detailed timescales and stages of these processes are no…

astro-ph.EP2021★ 17 cited

The LHS 1678 System: Two Earth-Sized Transiting Planets and an Astrometric Companion Orbiting an M Dwarf Near the Convective Boundary at 20 pc

Michele L. Silverstein, Joshua E. Schlieder, Thomas Barclay +48

We present the TESS discovery of the LHS 1678 (TOI-696) exoplanet system, comprised of two approximately Earth-sized transiting planets and a likely astrometric brown dwarf orbitin…

astro-ph.EP2021★ 17 cited

TKS V. Twin sub-Neptunes Transiting the Nearby G Star HD 63935

Nicholas Scarsdale, Joseph M. Akana Murphy, Natalie M. Batalha +56

We present the discovery of two nearly identically-sized sub-Neptune transiting planets orbiting HD 63935, a bright ( mag), sun-like () star at 49 pc. TESS id…

astro-ph.EP2021★ 8 cited

HD 183579b: A Warm Sub-Neptune Transiting a Solar Twin Detected by TESS

Tianjun Gan, Megan Bedell, Sharon Xuesong Wang +48

We report the discovery and characterization of a transiting warm sub-Neptune planet around the nearby bright ( mag, mag) solar twin HD 183579, delivered by the Tr…

astro-ph.EP2021★ 50 cited

A Second Planet Transiting LTT 1445A and a Determination of the Masses of Both Worlds

J. G. Winters, R. Cloutier, A. A. Medina +79

LTT 1445 is a hierarchical triple M-dwarf star system located at a distance of 6.86 parsecs. The primary star LTT 1445A (0.257 M_Sun) is known to host the transiting planet LTT 144…

astro-ph.EP2021★ 39 cited

The TESS-Keck Survey: Science Goals and Target Selection

Ashley Chontos, Joseph M. Akana Murphy, Mason G. MacDougall +28

Space-based transit missions such as Kepler and TESS have demonstrated that planets are ubiquitous. However, the success of these missions heavily depends on ground-based radial ve…

astro-ph.EP2021★ 43 cited

Warm Jupiters in TESS Full-Frame Images: A Catalog and Observed Eccentricity Distribution for Year 1

Jiayin Dong, Chelsea X. Huang, Rebekah I. Dawson +57

Warm Jupiters -- defined here as planets larger than 6 Earth radii with orbital periods of 8--200 days -- are a key missing piece in our understanding of how planetary systems form…

astro-ph.EP2021★ 41 cited

TESS Delivers Five New Hot Giant Planets Orbiting Bright Stars from the Full Frame Images

Joseph E. Rodriguez, Samuel N. Quinn, George Zhou +115

We present the discovery and characterization of five hot and warm Jupiters -- TOI-628 b (TIC 281408474; HD 288842), TOI-640 b (TIC 147977348), TOI-1333 b (TIC 395171208, BD+47 352…